7 lines
237 B
Text
7 lines
237 B
Text
module
|
|
example (a b : Nat) : 3 * a * b = a * b * 3 := by grind
|
|
|
|
example (k z : Nat) : k * (z * 2 * (z * 2 + 1)) = z * (k * (2 * (z * 2 + 1))) := by grind
|
|
|
|
open Lean.Grind in
|
|
example : OrderedRing (Ring.OfSemiring.Q Nat) := inferInstance
|